This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to bail out of skateboard tricks down stairs
Understand the need for bailing.
Sometimes you just bail a trick down sets to get a feeling of what you need to do, other times you really goof up and bail by mistake. The following steps dictate how to bail in multiple cases.

Options: +Legs out back leg forward forward back Now here's how to bail out of skateboard tricks. When you need to bail out, extend your arms for balance, as if you are launching a tennis ball. +Request that anyone coming down the stairs bail you out of the skateboard. In some cases, everyone can bail from the skateboard without ever having to get out of it. +Start at the bottom of the stairs, facing away from the wall. Lean forward so that your body forms a line in front of the wall, which is where you will begin reeling the rope behind you. +Know how to bail when getting a feel for the trick. Roll up to the stairs ready to attempt whatever trick you want.
The answer is:
Know how to bail when getting a feel for the trick. Roll up to the stairs ready to attempt whatever trick you want.