holding

So I've been withholding pictures of my pack b/c I figured y'all needed a break from them, and wanted the newbs to have time to share their pack members. Well, I've got some updated shots for y'all now... My goof-troop had a blast out all day being rotated in and out of the...

What would cause my pup not to hold when biting? Instead he chews on the object. Is it a health problem maybe with is teeth? I see pups younger than him holding with no feet on the ground. :confused: He is 13wk.