It has a narrow and tapered blade, usually pointed at the end. A compass saw typically has about 8-10 teeth per inch, which can go up to 20 teeth per inch if you are cutting harder materials. A compass saw comes with a pistol grip, which is best suited if you are working in confined places. The pointed end helps you penetrate soft materials without requiring a pilot hole.
Have you considered picking up woodworking? No? Now might be the time to consider it! There are so many things that you can make for a fraction of the price you can buy them for, not to mention you can customize everything you make. Woodwork projects also make great gifts and you can tell everyone that you made it by hand! What is better than that?
Handsaws are great for getting into tight spaces, too. a coping saw is the perfect tool to cut out the waste between dovetails. The thin blade can fit into even the tightest pin socket and make a turn along the baseline, removing the waste in seconds. Chopping out waste with a chisel takes much longer, and routing it out is possible only when there’s enough clearance between the tails to fit the bit.
Sound overwhelming? Then just start off focusing on Disston saws. The Disston saws were manufactured by the millions and are the easiest to find, and most are of exceptional quality, especially the below common models. Remember to buy pre 1940’s era vintage hand saws. Here are some ebay searches for wood saws. To ensure that you don’t over-pay, when you’re on ebay click “sold” to see what they’re selling before and to see which saws are desirable. It’s fun research: