A releasable clamp includes: a first jaw and a second jaw, arrangeable to hold an article therebetween; a spacer, arrangeable to space apart the first and second jaws; and a set of retaining members, arrangeable to space together the first and second jaws. The first and second jaws include a first region for contacting the article, a second region defining a portion of a coupling member, a third region for contacting the spacer, and a fourth region for contacting a respective retaining member of the set of retaining members.