What it does Locks the crossing strings to reduce unwanted string movement and protect intersections where strings rub the most. Helps extend the life of your strings and maintains a more consistent string bed during play. Adds extra bite on the ball—raised texture increases grip on the ball for more spin and better control. Easy to use Supplied applicator tool lets you insert the cross protector quickly and securely, even with one hand. Designed for fast installation and removal so you can fit or replace protectors courtside or during practice. Practical features Raised knobs and textured surface improve ball contact and shot feel. Compact and portable for storage in your racket bag or kit. Compatibility Compatible with badminton, tennis, and squash rackets—fits at string cross points to protect and stabilize mains and crosses. Intended for use where strings intersect to reduce wear and improve playability. Typical use scenarios Training and practice: Protect strings during heavy rallying to reduce premature breakage and keep consistent tension longer. Matches and spin-focused play: Install before a match to increase ball bite and control on topspin or slice shots. Travel and on-court repairs: Carry in your racket bag to replace worn protectors quickly and maintain racket performance between restringing. Tennis Crosses string protectors offer a simple, practical way to protect your strings, improve spin and control, and make on-court adjustments fast and reliable.