BUCKLE

A buckle (10) comprising a male coupler (11) including a bar portion (15) with an external surface (16), a first flange (17) protruding from the external surface (16), the first flange (17) being adapted for connection of a strap (13, 14) thereto; a female coupler (12) with a hollow body (20) having an opening (44, 48) therein, the opening (44, 48) including an end part at a first axial end of the hollow body (20) and a slot part extending generally axially from the end part of the opening (44, 48), the slot part having opposing lips (28) extending along the slot, the hollow body (20) having an internal surface (23) complementary to the external surface (16) of the bar portion (15), such that the bar portion (15) can be entered through the end part of the opening (44, 48) as the flange (17) slides through the slot part of the opening (44, 48); a detent (36) for releasably holding the bar portion (15) in the hollow body (20); and wherein the lips (28) extend reentrantly and each lip (28) is adjacent a respective inwardly-extending face in the bar portion (15).