Simple & cheap but essential to firmly lock your Motocaddy bag in place into the trolley. The easiest bag & trolley connection system on the market today & removing the need for a lower bag strap! These Easilock pins simply screw into the new style Motocaddy golf bags which in turn then locate into the front wheel section of the new Motocaddy trolleys (2015 onwards) Preventing the annoying twisting of the bag. We the customer posed the issue & Motocaddy have listened & delivered once again.