>>6731284BJDs usually wear wigs that are pulled over the head pretty much like you'd do with a human wig on your head. No glue needed. You can use velcro strips though for more grip (in case the wig likes to slip) or silicone caps if your wig doesn't fit perfectly.
Unless you get an Obitsu head with rooted hair it's the same.
Keep in mind though that buying wigs for really small heads (i.e., smaller than 6-7inches) can be a bt of a pest.