Complex sentence: Men's and women's puukkos do not significantly differ from each other; the only difference is that women's puukkos are often shorter and may have decorated sheaths and are better suited on working with foodstuffs.
Split into simpler sentences: Men's and women's puukkos do not significantly differ. The only difference is that women's puukkos are often shorter, may have decorated sheaths, and are better suited for working with foodstuffs.