In essence this would involve adding structures which go over(or under, whichever one works) the ship's structure. Allowing for bridges to other sections of the ship, without the main hull collision getting in the way. Meanwhile the bridges break if the blocks on their ends break, causing the connection to break.
There would be 2 primary instances this can see use. One involves using bridge to have 2 separated hull blocks collision wise, allowing you to make 360 degree jointed vessels intuitively alongside explosive charges and fleet formation. The other involves using them as reinforcement rods to keep your ship together if it were to be bisected.
Though, would only benefit ships that aren't meant to fragment and then swarm.