A cleat assembly comprising two wall-defining members 12, 14 between which an elongate element to be gripped can be inserted and a gate 40, 42. Each wall-defining member defines at least one ridge 30, 32 for gripping an elongate element. The gate 40, 42 controls entry of elongate element between the ridges. The gate is movable to a condition in which an elongate element is permitted to enter between the ridges by a pressing force applied via the elongate element.