New and Improved (USAP-Approved) CRBN Pickleball Replacement Paddles are Here - How do they Compare? Lookout Joola & Diadem! For all those who owned CRBN paddles and were blindsided by the surprise USAP banning them, this video is a quick glimpse at the new CRBN iterations that are now USAP rules compliant as replacements for the older iteration paddles that were banned. This video is a quick comparison of the older (non-compliant) iteration versus the new USAP-approved models.