Hello everyone! Sharing a free, downloadable 3D print file for a Talon grip if anyone has a friend or access to a printer. Thank you Erik! https://www.printables.com/model/1391706-talon-grip-lumbrical-trainer
@Collin McGee found the model you shared a few months ago, and I finally printed it. here is the pronator/supinator one https://makerworld.com/pl/models/2109001-tristovery-wrist-rehab-strength-trainer?from=search#profileId-2281473