FasTrak Flex transponder, with hook Velcro on the back. Q I ordered two FasTrak Flex transponders to replace the existing FasTrak transponders on our cars. I thought it would be a simple matter to ...
A new material called Metaklett is like hook-and-loop (“Velcro”) made out of steel and much scarier. One side of the material bristles with sharp spikes and the other side has jagged steel brushes.