Two dogs in the car. One seat belt slot. You need a Swivel Double seat Belt. The belts will swivel with the dogs movement. No tangled leads.
Swivel Double Seat Belt
Material: Made from Polyproylene webbing.
Small is made from 20mm wide webbing and will adjust from 32cm to 49cm on each side.
Large is made from 25mm wide webbing and will adjust from 41cm to 67cm on each side.