Correct fit of French link bit

[S_mores]

Hello.
I recently bought a French link D-ring snaffle bit and wondering which way round it should be facing? With single jointed snaffles I check to see if the two sides come completely together for the correct way but I’m not sure with the double jointed? Does it matter?

Also I have a 14hh appendix that I just purchased. The previous owner said he takes a 4.5 inch bit so that’s what I got. It looks so small. How to know if it’s the right size? Might be a silly question… But with the d ring but the sides are right at the corner of his mouth…

I got a French link snaffle to try as he does not seem accepting of his single jointed snaffle. I tried the French link yesterday but he didn’t seem any different. Still resistant to the bit, and chews on it but not the good kind of chewing . His teeth were looked at a few months before I got him.

[Feathered_Feet]

It’s similar to the single joint - the “curve” of the mouthpiece should curve towards you, as that is how the curve would naturally and gently curve over the tongue of the horse. (Hope that makes sense!)

[caper]

Could if be you have it set to high causing the bad chewing. The curve of the bit is the same as any other. Think of the curve of a smile to the horses mouth.