Do you just tap these things with a hammer to remove them, and are they glued in? http://www.marcospecialties.com/pinball-parts/02-4659-1
Also, how do you remove these things, or is it best not to remove them? http://www.marcospecialties.com/pinball-parts/12-7210
Also, how do you remove these things, or is it best not to remove them? http://www.marcospecialties.com/pinball-parts/12-7210