What is used to strengthen the adhesion of fabric wraps?

The correct choice is a wrap resin because it is specifically formulated to enhance the bonding of fabric wraps to the natural nail or tip. Wrap resin is designed to penetrate the fibers of the fabric and create a strong, cohesive bond, ensuring that the wraps adhere effectively and maintain their integrity during wear. This strength is essential for preventing lifting and ensuring the longevity of the nail enhancement.

Other options may seem related but serve different purposes. Primers are typically used to prepare the nail surface for product application, ensuring better adhesion for gels or acrylics rather than fabric wraps. A hardening light would refer to UV or LED light used for curing certain types of gel products but is not specifically related to fabric wrap adhesion. A bonding agent can improve adhesion too, but it is broader in application and may not work uniquely with the fabric's fibers as effectively as a wrap resin does. Thus, wrap resin stands out as the most suitable choice for strengthening the adhesion of fabric wraps.