Use a pronged stud in place of a cap for a double-sided connector that can be snapped in the middle of 2 regular snap pieces, or stacked for infinite snapping.
KAM Plastic Snaps Size 20 Extra Long Multi-Color Pack Complete
KAM Size 20 Snaps - 100 piece Studs (W-692) — Wazoodle Fabrics
1000 Pieces - KAM® Pronged Studs (Size 20) – I Like Big Buttons!
Easy to Install Snap Fasteners - KAM Snaps Size 20 Sets Regular
KAM Plastic Snaps Fasteners Size 20 Matte Sets Multi-Color Bundles
KAM Plastic Snap Parts Size 20 Pronged Studs for Double-Sided
KAM Plastic Snaps Size 20 Individual Parts Caps Sockets Stud B22
Easy to Install Snap Fasteners - KAM Snaps Size 20 Sets Regular
KAM Plastic Snaps Size 20 Extra Long Multi-Color Pack Complete
KAM Size 20 Snaps - 1000 piece Studs (W-696) — Wazoodle Fabrics
KAM Plastic Snap Parts Size 20 Pronged Studs for Double-Sided