I have the Deceiver, so it looks like a golf bag. Not sure if you could get away with a similar shaped bag and tell them it's clubs...

Flying to Mexico on Alaska I had a golf bag as my one piece of checked luggage and didn't get charged. Flying to Maui on Westjet same deal - my golf bag was my one checked bag and I didn't get charged. The agent asked me to "put my clubs on the scale." Flying to Fiji on Fiji Air I got nailed for ...