Merrick & Day Bead Chain Joining tool .mp4 - YouTube
Chain Joining Tool - Yewdale
Needed to adjust the chain on our roller blinds but didn't want to buy the pliers, so I designed and printed these little things to close the chain : r/functionalprint
Metal bead chain joining tool for splitting joining the metal bead chain CHAINTOOL
RollEase Roller Shade Chain Pliers With Cutting Tool - RollEaseParts.com