FWIW, I hinged the V berth ply lid across the forward edge, and made up a line from the aft edge with a hook that clips on an eye in front of the forward hatch. This holds the ply up with all the bedding on it when I want to get into the forward locker (We are a Mk I) where we keep the sails and spare anchor, etc. That way the bed stays made up.
S.V. Wind Star
Rob & Margie Kyles: Auckland ,New Zealand
Mk I Hull #105 1983 Std Rig, Std Keel