The second answer is el Tigre
Third answer is la iguana and not sure which one is the first hope this helps you
Answer:
“Seam allowance (sometimes called inlays) is the area between the fabric edge and the stitching line on two (or more) pieces of material being sewn together. Seam allowances can range from 1⁄4 inch (6.4 mm) wide to as much as several inches.”
The middle on is a metaphor !