Yep, masking tape on the braking surface is the way to go. Auto brake cleaning fluid works well also. Be sure to hit the brake pads, because you will inevitably ride the wheels, get horrible screeching noises and need to clean the wheels again. Now, the glue will also be on the pads.
Upside? In a race, people will stay away from you when they hear your screeching brakes!
Il faut de l'audace, encore de l'audace, toujours de l'audace
1980 3Rensho-- 1975 Raleigh Sprite 3spd
1990s Raleigh M20 MTB--2007 Windsor Hour (track)
1988 Ducati 750 F1