The fact they allow a prospective transferee to handle a gun for evaluation purposes indicates they fully thought about other types of transitory transfers and decided not to exempt those. So, handing a gun to a buddy while you tie your shoes or step out of a boat would be a transfer and could land you in hot water.
Jim's Rules of Carry: 1. Any gun is better than no gun. 2. A gun that is reliable is better than a gun that is not. 3. A hole in the right place is better than a hole in the wrong place. 4. A bigger hole is a better hole.