Here are a few wind cap pipes:
W.O. Larsen - this one was carved by Teddy Knudsen - Windcap held by perfect fit in routed groove on rim.
Orlik Hurricane Pipes with swiveling Bakelite wind cap
Miscellaneous Hurricane pipes by Nutt Products, Ltd. of England
Hurricane deluxe carved in form of a walnut
Peterson strait bulldog with hinged sterling wind cap
Pipe with hinged sterling wind cap by Il Ceppo
Sportsman by Radice with swiveling briar windcap (held in place by small magnets embedded in cap and rim) with lanyard...a great fishing pipe.
Dublin by W.O. Larsen with wind cap held by two brass pins