Stainless folding knives with half-serrated blades.
Small lever and pull for undoing canvas snaps without stress to you or the fabric.
Highly absorbent microfibre towel that holds more liquid than most fabrics. Useful for drying things, above or below decks.
The oil that creeps. Loosens rusted nuts and bolts, frozen shafts, etc. Penetrates to 1millionth inch spaces, dissolves rust, lubricates, cleans and prevents rust. Displaces moisture. Family of related lubricating, penetrating products.
A simple list of about 60 tools you should consider keeping on board..