0 a small, soft object into which pins can be pushed to keep them safely until you need them -- acerico, almohadilla
1 a small cushion or similar object into which pins are pushed for keeping. -- almohadilla
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Podemos completarlo paso a paso, por muy largo que sea el camino, y no se puede completar, por corto que sea el camino, si ni siquiera marcas tu huella.