And another vote for kanulock (courtesy of JohnV6 suggestion). They are excellent-we pack out a foldable suitcarrier and put on the luggage rack at the back. No fears during pee stops etc and they have a very secure feel to them. Unlike my bladder on long journeys 😇
HB

Plus Four Bentley Velvet Red “Grandi P”
Golf ehybrid thingy “Toadie”
Polestar 4 “Vger”