Originally Posted by
balnir
But as for the original problem WDB editing for helms should fix it rather than using a model swap should work fine might look into it later. Model swapping pretty much is the same as WDB but does not contain all the rules certain helms have. IE... if you change S1 helm to bloodfang with model editing hair goes though it. If you edit it with WDB it keeps as hair visual = no instead of yes like s1 helm. May be something similiar for your jaw fix where some helms hide jaw wear others show it.
If you where using WDB editing what i have said is of no help whatsoever