The optimum length for a shoehorn to be used when standing is 25” or 64 cm.

Shoe horns are an integral part of your shoe care regime. If you invest in a good-quality pair of shoes, you will want them to last as long as possible. Using a shoe horn will help protect your shoe from damage while putting on your shoe, in turn prolonging the life of your shoe.

: to force (something or someone) into a small space, a short period of time, etc. A parking garage has been shoehorned between the buildings. She's trying to shoehorn a year's worth of classes into a single semester. I don't know how they managed to shoehorn everyone into that little room.

A shoe horn is a tool used to help your foot glide easily into your shoe. Basically, the tool provides a smooth ramp that pulls back the heel of your shoe, stopping it from snagging your ankle as you slide your foot in. In the past, shoe horns earned their moniker because they were made from animal horns and hooves.