Clip Slips
BeadSmith Silver Plated Earring Converters - Turn Posts Into Clip-Ons! (2 Pcs)
Evelots 12 Piece Silver Clip-On Earring Converter - Turn Any Stud Into A Clip-On (2255)
Go Betweens
Bememo 36 Pack Clip-on Earring Converter with Easy Open Loop for DIY Earring and Turn Any Studs Or Pierced into Clip on (Gold and Silver)
Maxdot 100 Pieces 4 Size Earring Pads Silicone Comfort Earring Cushions for Clips on Earrings, Clear