It wasn't voluntary. My g. p. is a hard master. Also it is amazing how long they make you wait at pharmacies so you have time to pick up all the stuff you need and don't need.
Hrm, the price of the syringe in your link is probably for a bulk pack, I've decided after waking up properly. (Bit of a shock at first. ) Um, is it?
While looking for pics of my syringe, I also found this.
It may be tougher which is better for you as you have many guinea pigs, but I have no idea whether it is easier to use. :/
With the silicon (is it silicon?), erm, SOFT tip, I try to move the tip to the side so he can't bite it, but it has some bite marks.