The large knife with a rectangular shaped blade has many functions and 2 different variations. The first is a cleaver like the one pictured above which many people use like it is a chef’s knife to slice, dice, chop, fillet, pretty much everything. The flat side can be used to crush garlic to make it easier to remove its peel before mincing. The second type is a heavy duty cleaver used to chop through bone.They come in various sizes and weights, so you can purchase a size that feels comfortable to you. The big blade can be intimidating and a little dangerous if not used correctly.