Clover's Wonder Clips are a nice alternative to pins - with a flat base and wide mouth clamp you can tackle those thick quilting and sewing projects with ease.
Clover Wonder Clips - 10 ct - 051221356155
Clover Wonder Clips - Red - 100 Piece - Craft Warehouse
Clover Wonder Clips - 50 ct - Ripstop by the Roll
Clover Mini Wonder Clips (50 pieces) - Dream Weaver Yarns LLC
Wonder Clips (alternative to pins) - Pack of 10 – Craftyangel
Wonder Clips - Abigail Cecile
Great holding capacity for many crafts Clips open wide for several layers of fabric Easy slide base and calibrated guide scale
Clover Wonder Clips, 1 Pack, Colors May Vary
Molas para Costura CLOVER Wonder Clips – Retrosaria
Wonder Clips - pack of 10 - Purple Daisies Quilting
Clover Wonder Clips
Clover Wonder Clips Assorted Colours (50) - OzQuilts