With a boat and technique that results in good control in reverse, you'll often have better 'brakes' shifting to forward than reverse, esp if a folding prop is involved.
We often back into unfamiliar or tight spots for this reason, among others.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)