Tzitzit: The Tassels on the Garment

Command and purpose of wearing tassels

Numbers 15:38-40 commands: 'Speak to the Israelites and tell them to make tassels (tzitzit) on the corners of their garments throughout their generations, with a cord of blue (tekhelet) in each tassel. You shall have these tassels so that whenever you see them you will remember all the commandments of the LORD and obey them.' Deuteronomy 22:12 repeats the command with a slightly different formulation: 'Make tassels on the four corners of the cloak you wear.' The purpose articulated in Numbers is explicitly mnemonic: the tzitzit were to function as a constant visual trigger of covenant obligation - a theology of obedience embedded in the most ordinary daily act of dressing.

Tekhelet dye lost and rediscovered

Construction and the Tekhelet Thread: The tzitzit were attached to the four kanafot (corners, literally 'wings' or 'edges') of the outer cloak. The outer cloak (tallith or simlah) was the primary garment of ancient Israelite men, a large rectangular cloth used as a day garment and as a blanket at night (Exodus 22:26-27 protects a debtor's cloak from being kept overnight as a pledge). Each corner received a cluster of knotted threads (the tzitzit proper) with one thread of tekhelet - the blue-purple dye derived from the Murex trunculus snail. The Mishnah tractate Menachot (38b-43b) devotes extensive discussion to tzitzit construction: the number of threads (four doubled over, making eight), the required knots, the proportion of blue to white, the minimum length of the hanging portion. The tekhelet thread made the tassels visually distinctive against the white wool of the cloak.

The Tekhelet's Loss and Recovery: The tekhelet dye came from the same Murex sea snail tradition that produced Tyrian purple. The exact species and preparation method that produced the specific blue required for tekhelet was a technical knowledge held by specialists. When the Murex dye industry declined after the Arab conquest of the Levantine coast in the 7th century CE, the specific tekhelet formula was lost. Rabbis ruled that tzitzit could be made of white threads alone until tekhelet could be reliably reidentified - a ruling that has governed practice for over 1,300 years. In the 20th century, researchers identified Hexaplex trunculus as the most likely tekhelet snail: when its secretion is processed with a brief UV light exposure (sunlight), it produces a fast blue rather than the standard purple. A small industry now produces tekhelet-dyed threads for observant Jews wishing to fulfill the original command; the minority who use it today wear the blue thread in visually striking contrast to the white, just as ancient worshippers would have.

Kanaf as covenant symbol in scripture

The Symbolism of the Corner (Kanaf): The kanaf - the corner or wing of the garment - carried significant symbolic weight beyond the tzitzit command. In Ruth 3:9, Ruth asks Boaz to 'spread the corner of your garment (kanafekha) over me' - a gesture of betrothal and protection using precisely the tzitzit-bearing corner of the cloak. Ruth was asking Boaz to cover her with the same garment corner that bore his covenant commitment. Ezekiel 16:8 uses the same image for God's covenant with Israel: 'I spread the corner of my garment over you and covered your nakedness.' The covenant protection symbolized by God's 'wing/corner' (kanaf) is the same image Ruth invoked and the same corner that bore the tzitzit. Malachi 4:2 promises that 'the sun of righteousness will rise with healing in its wings (kanafav)' - possibly evoking the same imagery of the cloak-corner as the place of healing and covenant mercy.

Saul and David: When David cut off the corner (kanaf) of Saul's robe in the cave (1 Samuel 24:4-5), his conscience immediately smote him - not merely because he had touched the king's garment but because he had cut the very corner that bore Saul's tzitzit, the physical mark of Saul's covenant standing before God. David's guilt was proportional: he had symbolically attacked not just the man but the man's covenant identity. Saul's later recognition of this act (1 Samuel 24:11) - holding up the corner as evidence of David's restraint - shows both men understood its significance.

Archaeological and Historical Evidence: Physical tzitzit from the ancient period are extremely rare, but the Bar Kokhba Cave of Letters (excavated by Yigael Yadin in 1960-61) yielded preserved textile fragments from the 2nd century CE. Among them were pieces of clothing with thread attachments at corners consistent with tzitzit construction. Earlier evidence comes from the Elephantine documents (5th century BCE), which reference garment fringes in inventory lists. Egyptian and Mesopotamian garment depictions frequently show fringed borders on elite garments - indicating that fringed garment edges were culturally meaningful across the ancient Near East, though with different symbolism. Mesopotamian kings and deities are often depicted in elaborate fringe garments; the fringe signified authority and rank, not covenantal reminder, but the visual parallel shows why attaching distinctive threads to garment corners was a recognizable cross-cultural practice.

Gospel encounters and Pharisaic misuse

The Woman with the Bleeding Disorder: Matthew 9:20 and Luke 8:44 record a woman who had suffered a bleeding disorder for twelve years pushing through the crowd to touch 'the fringe of Jesus's cloak' (Greek: to kraspedon - the standard translation of tzitzit). The detail is not incidental: she reached specifically for the tzitzit, the corner tassels. In Numbers 15:38-40, the tzitzit were meant to remind the wearer of God's commandments and to be seen as signs of covenant identity. For the woman, reaching for the tzitzit may have been a deliberate act of faith - touching the covenant sign worn by someone she believed had healing power. Jesus's response - 'someone touched me; I know that power has gone out from me' (Luke 8:46) - treats her touch as significant and intentional, not accidental contact in a crowd.

The Pharisees' Long Tassels: Matthew 23:5 criticizes those who 'make their tassels long.' This critique is not against tzitzit as a practice - Jesus himself wore them - but against using the tzitzit as a status display, making them ostentatiously large to signal exceptional piety. The tzitzit were designed to remind the wearer, not to impress observers. Lengthening them converted a private mnemonic device into a public performance of religiosity - exactly the kind of distinction between genuine piety and performed religion that structures the Sermon on the Mount and Jesus's critique of certain Pharisaic practices throughout Matthew's Gospel.

Tzitzit in daily Jewish observance today

Modern Observance: Jewish men today wear tzitzit in two forms: attached to the four corners of the tallith (prayer shawl) worn during morning prayers, and as separate garment (tallith katan, 'small tallit') worn under the shirt throughout the day. The white threads with or without tekhelet and the pattern of knots vary by community tradition. The original command's intent - a constant visual reminder throughout the day of covenant membership and obligation - is maintained in the practice of reaching down to touch the tzitzit during certain prayers, a direct fulfillment of the Numbers 15 design.

• ISBE: Fringes; Tassels
• Freeman, Manners and Customs of the Bible, pp.180-183
• Matthews, Manners and Customs of the Bible, p.99