Vforce are the way to go...
Time to remove a JT lens - 5 min
Time to clean a JT lens - 1 min
Time to replace a JT lens - 5 min
Time for your thumbs to stop hurting after the above routine - 48 hours
Time to remove, clean and replace a vforce lens - 2min
JT = Model T ford (1919)
Vforce = Nissan Micra (1998)
Times change - JT doesn't