a particular hand saw on behalf of making little holes within wood such as baseboard, paneling in addition to lath
The narrow, tapered blade of a keyhole saw is ideal for cutting tight-radius curves in a variety of materials. It's also a good choice for making inside cuts in tight quarters. Home Improvement Encyclopedia
Moderate or coarse toothed hand saw with a pointed blade which is able to start a cut without cutting from the edge of a piece of material but uses a hole that has been drilled.
A narrow pointed fine tooth saw for cutting small or curved holes.
A keyhole saw (also called a pad saw, alligator saw, jab saw or drywall saw) is a long, narrow saw used for cutting small, often awkward features in various building materials. There are typically two varieties of keyhole saw: the fixed blade type and retractable blade type.