Towers at military fields issue a "check gear down" instruction along
with the landing clearance... I always thought that would be a good
idea for GA also.

There's a field in Southern California (Burbank? Van Nuys?) that has
the word "Wheels" painted near the numbers at the approach end.

Jose
r.a.student retained, though I don't follow the group
--
Get high on gasoline: fly an airplane.
for Email, make the obvious change in the address.