Basic button shapes can be made with
1. Pivot backs for shoes or handbags or as non-functional ornaments.
2. Hopper or loop backs for automatic sewing.
3. Flat backs for gluing into bases or welding to shoe clips or ear pins or clips.
4. Eyelet backs to be compatible with snap fastener parts.
5. Upholstery loops or prongs for sofas and chairs
6. Canvas backs for hand sewing
7. Plain flat tops or sew through eyelets