If you see a crack, very gently smear a tiny bit of reserved dough over the crack to patch it. (theredheadbaker.com)
Form pea - sizes crumbs with reserved dough mixture, sprinkle over top. (carrotsandspice.com)
Tumble the prepared apples into the chilled pie crust, then scatter the shaggy bits of reserved dough over the top of them. (allroadsleadtothe.kitchen)