Abstract: A buckle can include a first strap engaging device and a second strap engaging device. The first strap engaging device can include a first engaging structure extending rearward from the front portion, with the first engaging structure defining a first hole through a first surface of the first engaging structure that faces outward in a first side direction from the buckle. The first engaging device can also include a buckle protrusion configured to press against a first strap end extending through the first hole to engage the first strap end without the buckle protrusion extending through the first strap end. The second engaging device can be configured to engage a second strap end. A technique can include securing first and second strap ends using a buckle, which can include engaging the first strap end using a buckle protrusion without the buckle protrusion extending through the first strap end.