What do you mean by "The top of a pen"? :msnquestion:leema;2099 said:In the interum between wanting to use a clicker and actually getting ones (as stores don't stock them in Australia, or at least none that I've found) I just used the top of a pen to mark behaviour. This is how Mac learnt to walk backwards. ^_^
The pens with the retractable nibs make a soft clicking sound when you pop them in and out of the pen casing.luna may;2176 said:What do you mean by "The top of a pen"? :msnquestion: