Leg/foot hatching injury, disease, what's going on?

[Colts Critters]

The baby call duck just hatched today a day later than all the rest and I noticed there is something off with it's foot/ leg? I need help and advice my first time with hatching ducklings.

 

[Jenbirdee]

@New duck mommy 2021 @Canadian Wind

 

[cheezenkwackers]

I believe you will want to make a cardboard shoe asap.

 

[Colts Critters]

I believe you will want to make a cardboard shoe asap.

How do you do this I have never had to?

 

[Canadian Wind]

https://www.backyardchickens.com/threads/duckling-grow-a-long.1612217/page-23

We were just going through a similar problem with one of the other members.