A clip for fixing an agricultural ground sheet cover material, or a netting, in place comprises two inter-engageable parts, each part having a jaw at one end for gripping sheet material or netting between the jaws when the two inter-engageable parts are closed together, a locking tab on one of the inter-engageable parts, a locking bar on the other of the inter-engageable parts, and and cord engaging formations at an opposite end of at least one of the inter-engageable clip parts, adapted to grip a cord between the cord engaging formations to lock the cord to the clip.
