A recent question from a skipper as to the acceptability of a suggested modification to secure a loose mast joiner prompted my drafting a note to summarize issues that have arisen with mast joiners and caused me to issue a temporary Rule Interpretation as to a permitted modification to secure a loose mast joiner. This note can be accessed from the Technical Tips page of the SeaWind COA web site: https://sites.google.com/site/seawindcoa/ Mike Eades, Secretary SeaWind COA