I need to disassemble an exercise machine that used "Push Nuts" like
these. Instructions say they need tool for removal, and are not
re-usable. It appears HD stocks them (see link below)

Is there a special tool for removal ??
Or what is best alternative, prying, cutting, what ??

http://www.homedepot.com/h_d1/N-5yc1...&storeId=10051

or

http://bit.ly/wDIA8i