A buckle assembly configured to securely attach to a component, the buckle assembly comprising: a buckle housing (10; 110) including a first connecting protuberance (24; 124) or first protuberance-retaining structure, and two second connecting protuberances (20a, 20b; 120a, 120b) or two second protuberance-retaining structures; and a securing member (50; 150) including a third connecting protuberance or third protuberance-retaining structure (73; 173), and two fourth connecting protuberances or two fourth protuberance-retaining structures (58; 158), wherein the first or third protuberance-retaining structure (73; 173) is configured to respectively slidably receive the third or first connecting protuberance (24; 124) in a sliding direction, wherein the second or fourth protuberance-retaining structures (58; 158) comprise lateral arms, wherein ledges extend inwardly from interior surfaces of the lateral arms, and wherein the second or fourth protuberance-retaining structures (58; 158) are configured to respectively securely retain the fourth or second connecting protuberances (20a, 20b; 120a, 120b) so that the buckle housing (10; 110) is secured with respect to the securing member (50; 150), wherein at least a portion of the component is configured to be compressively sandwiched between the buckle housing (10; 110) and the securing member (50; 150), characterized in that the second or fourth protuberance-retaining structures (58; 158) define an open mouth separating the lateral arms, wherein the lateral arms are configured to deflect away from one another, thereby increasing the area of the open mouth between the lateral arms. a buckle housing (10; 110) including a first connecting protuberance (24; 124) or first protuberance-retaining structure, and two second connecting protuberances (20a, 20b; 120a, 120b) or two second protuberance-retaining structures; and a securing member (50; 150) including a third connecting protuberance or third protuberance-retaining structure (73; 173), and two fourth connecting protuberances or two fourth protuberance-retaining structures (58; 158), wherein the first or third protuberance-retaining structure (73; 173) is configured to respectively slidably receive the third or first connecting protuberance (24; 124) in a sliding direction, wherein the second or fourth protuberance-retaining structures (58; 158) comprise lateral arms, wherein ledges extend inwardly from interior surfaces of the lateral arms, and wherein the second or fourth protuberance-retaining structures (58; 158) are configured to respectively securely retain the fourth or second connecting protuberances (20a, 20b; 120a, 120b) so that the buckle housing (10; 110) is secured with respect to the securing member (50; 150), wherein at least a portion of the component is configured to be compressively sandwiched between the buckle housing (10; 110) and the securing member (50; 150), characterized in that the second or fourth protuberance-retaining structures (58; 158) define an open mouth separating the lateral arms, wherein the lateral arms are configured to deflect away from one another, thereby increasing the area of the open mouth between the lateral arms.