Summary

Add wheels to the sledge, to make the carrying of it less difficult. And save more energy for the fun on the mountain.

Can be tight fitted for sledge here: https://www.ebay.de/itm/292853952938

I used wheels similar to these: https://www.ebay.de/itm/362703142871?hash=item5472cabfd7:g:kbUAAOSw8CBhQEKl