Here’s an excellent video explanation for different band shapes. This helps explain why shirts might not fit after attaching the collar band. https://youtu.be/bSbxMuZPIEQ
The best pattern paper. Iron on a wool setting and it sticks to fabric. Reusable, durable, and transparent enough for tracing.
Spokes aren't too sharp and it works well to trace a temporary line on fabric or paper.
Use in place of pinking shears, quickly trim outside edges of circles.