1. Editor’s Pick: Irwin 16-ounce General-Purpose Claw Hammer; 2. Best Mallet: C&T Black Rubber Mallet Hammer and Double-Faced Soft Hammer Set; 3. Best Heavy-Duty Claw Hammer: Workpro Claw Hammer; 4.

Best Finish Hammer: Vaughan 122-01 9 10-Ounce Little Pro Rip Hammer; The Expert: ... Estwing DFH-12 Rubber Mallet. Now 11% Off. $17 $15 at Amazon. $21 at Walmart $18 at farmandfleet.com.

A rubber mallet helps to ensure that the seal is fitted tightly, and is particularly helpful when dealing with tight or stubborn corners. A little common sense should also be applied here.