pinching

Hi everyone I'm new to the site and have found it quite useful :-) and was wondering if anyone could help me....or if anyone knew anything about swellings.....or experienced the same thing as this. I lunged my horse (wizard, tb ex racer) in a Pessoa for the first time yesterday...he did really...

I was interested in this bit, but I am worried that there is so much space between the link holes and the bars connecting to them. Could that pinch the horses tongue? I've never heard of it happening, but it LOOKS like it could happen...

Hello, a pony at my local stables wears a saddle that is too low on his whithers, and pinches him, and therefore is to wide? or am i incorrect? Anyhow, it pinches him. i was wondering if there's any product, such as a gel pad, that may help prevent the pinching? Any responses would be a great...