Here's the rule-
9.2.5 Use of Wrist Supports. Use of Wrist Supports, with any type of restrictive material such as a steel or plastic supportive brace that holds the wrist in a relatively neutral position, basically immobilizing the joint completely, will not be allowed for use in PBA Tour competition beginning January 1, 2023. Tape, gloves, and other supportive wristbands without these restrictive qualities of supportive steel or plastic will be allowed.
PENALTY: 1st Offense - Warning PENALTY: 2nd Offense - PBA Code of Ethics Violation – Disqualification
NOTE: Wrist Supports will be allowed in PBA50 Tour and PBA Regional Tour events. Furthermore, if PBA Tour/PBA50 Tour or PBA Tour/PWBA Tour doubles, or other forms of team tournaments are held, the PBA50 and PWBA players will be allowed to use wrist supports