Biblical References:
Tassels on garments are mentioned in several passages within the Old Testament, primarily in the context of the Mosaic Law. The key references include Numbers 15:37-41 and Deuteronomy 22:12.

Numbers 15:37-41 :
"The LORD also said to Moses, 'Speak to the Israelites and tell them that throughout the generations to come, they are to make tassels for the corners of their garments, with a blue cord on each tassel. These will serve as reminders that you are to obey all My commandments, and you will be holy to your God. I am the LORD your God, who brought you out of the land of Egypt to be your God. I am the LORD your God.'"

Deuteronomy 22:12 :
"You are to make tassels on the four corners of the cloak you wear."

Historical and Cultural Context:
In ancient Israel, tassels, known as "tzitzit" in Hebrew, were attached to the corners of garments as a physical reminder of the Israelites' covenant with God. The inclusion of a blue cord, or "tekhelet," was significant, as blue was a color associated with divinity and the heavens. The practice of wearing tassels was a daily, visible sign of one's commitment to live according to God's commandments.

Theological Significance:
The tassels served as a tangible reminder of the Israelites' identity as God's chosen people and their obligation to follow His laws. The command to include a blue thread in the tassels symbolized a call to holiness and a constant reminder of God's presence and authority. The tassels were not merely decorative but were imbued with deep spiritual significance, representing the wearer's dedication to a life of obedience and holiness.

New Testament References:
In the New Testament, tassels are mentioned in the context of Jesus' ministry. In Matthew 9:20-22 and Luke 8:43-48, a woman suffering from a bleeding disorder touches the edge of Jesus' cloak, which likely included tassels, and is healed. This act demonstrates the continued cultural and religious significance of tassels during the time of Jesus and highlights their role in Jewish identity and faith practice.

Matthew 9:20-22 :
"Suddenly a woman who had suffered from bleeding for twelve years came up behind Him and touched the fringe of His cloak. She said to herself, 'If only I touch His cloak, I will be healed.' Jesus turned and saw her. 'Take courage, daughter,' He said, 'your faith has healed you.' And the woman was cured from that very hour."

Practical Application:
For contemporary believers, the concept of tassels can serve as a metaphor for living a life that visibly reflects one's faith and commitment to God's commandments. While the physical practice of wearing tassels is not a requirement for Christians, the underlying principle of remembering and adhering to God's laws remains relevant. The tassels remind believers of the importance of living a life set apart for God, characterized by obedience and holiness.

Conclusion:
The biblical instruction to wear tassels on garments underscores the importance of visible reminders of faith and obedience to God's commandments. While the practice is rooted in the Old Testament, its spiritual significance continues to resonate, encouraging believers to live lives that reflect their covenant relationship with God.