I've used pre-filled syringes too when injecting the cat, and it was really difficult to get those caps off the syringe. There must be a trick to getting them off, but I didn't discover it!
Thankfully I had to fill my own syringes and those needle covers were much easier to remove. Sue To unsubscribe send email to majord...@arachne.com containing the line: unsubscribe lace-chat y...@address.here. For help, write to arachne.modera...@gmail.com. Photo site: http://community.webshots.com/user/arachne2003