Nordic Skate Guards so your skates don't rattle around while in transport or just a way to secure the skates while not in use. The slots are sized to fit a standard Voile Strap. The 80mm version is perfect for Nordic skates 45cm and below.
For longer Nordic skates, here's a link to my other file: https://www.printables.com/model/996584-nordic-skate-guard-40mm
The author marked this model as their own original creation.