There's a risk of 'falling into the water involuntarily' in most activities involving small boats: canoeing, kayaking, sailing dinghies, sculling or rowing in a

There's a risk of 'falling into the water involuntarily' in most activities involving small boats: canoeing, kayaking, sailing dinghies, sculling or rowing in a shell. Not being able to swim precludes you from safely attempting any of these.