The present invention relates to a tie-down device comprising a base member and a retaining member, the retaining member having a plate and a pin extending from the plate, the pin being engageable with a part of a channel or structure associated with the channel, the plate being engageable with another part of the channel or structure associated with the channel by pushing the retaining member to a distal position away from the base member and twisting the retaining member whilst in the distal position into engagement with the channel or structure associated with the channel.