Every inlay is held in by a nail. No glue or epoxy. A hole is drilled, then countersunk (I did use a Dremel for that.) The nails are brass #18 brads, given a matching countersink head. To do tgat, I drilled a hole in a steel plate, countersunk the hole, then peened the brad into it so the hrad would take the countersink profile.
The brads were cut to about 3/8" long and driven into pilot holes. The excess gets filed down, then sanded. When done right, it should virtually disappear. The inlay then gets filed down where needed to match the wood profile. On that eagle alone there are 5 brads holding it in.
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