Do-it-yourself customising or cleaning of a harmonica certainly can be learned.
Of course it surely takes practice, patience, accuracy and the right tools; the latter we can provide!
Take a look at the maintenance sets and customising toolsets we offer.
Tip: If you want to clean your harmonica by yourself and does not quite how to proceed: Contact or call NL. 0316-847923 / EU. 31.316.847923.
You can easily than you cared for destruct something, we know this from our own experience and those of our customers. (but luckily now parts like reed plates can be ordered separately)