“Pelotte”
offers many lasts with “pelottes”, or concave scoop in the bottom to create a latitudinal arch under the foot
“Dividings”
term for last mechanisms
https://spenle.de/en/dividings.html
- “2-part” (scoop block)
- “3-part”
- “stepcut”
- “slidecut”
- “foldcut” (alpha hinge)