I use these at the moment - http://www.ebay.co.uk/itm/Rhino-Safeclamps-Van-Roofrack-Ladder-Clamps-PAIR-Free-Delivery-/271175318452?pt=LH_DefaultDomain_3&hash=item3f234efbb4But I need something that I can fit from the ground without having to climb up to fit, anyone know of anything on the market ?Would help if they were lockable too ?Thanks.
I stand on a beer crate ..