What do I do if my shoes are too slippery

Hint 1 of 5:

You need different shoes.

Hint 2 of 5:

Did you find the locker room in Sanctuary?

Hint 3 of 5:

Did you MOVE TOWEL sitting on the bench ?

Hint 4 of 5:

TAKE KEY and USE KEY ON LOCKER  that is 3rd from left  +6

Hint 5 of 5:

GET BOOTS.   +1