DeRoyal LMB Dynamic Wire-Foam Spring Extension Assist, Model 501 Review

DeRoyal LMB Dynamic Wire-Foam Spring Extension Assist, Model 501 Reviewhttp://tinyurl.com/l95hon3 DeRoyal LMB Dynamic Wire-Foam Spring Extension Assist, Model 501 Extends PIP joint with slight extension on MPAdjustableFor finger flexion tightness and boutonniere (allows IP flexion)