I'm going to try and come up with an idea a week for 2019, so lets see how that goes. First up, there's only a single piece of equipment in the game right now that boosts Carpentry (the Beaver Cap), so how about another. A wooden ring is a pretty dull suggestion, so howabout instead a

Woodworker's Loupe. Equips in the 1R slot, gives some Carpentry and maybe a smaller amount of Dexterity. As an added bonus, with it equipped, whenever you examine a structure with variable materials, you'll be told the types of wood used in its construction.