Stuart Thompson, from the RNLI, says one of the risks of tombstoning is the sheer unpredictability of the environment.
"The problem is that you know heights of tides change, conditions change" he says.
"The conditions of the seabed change as well so it's actually quite a dangerous practice".
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Labour donor Michael Foster has lost his bid to overturn the party's decision to guarantee Jeremy Corbyn a place on the leadership ballot.
Scott Horwood from Burry Port has made the working replica, which rolls card instead of steel. Obviously.
Not the brightest of days today! Showers will spread from west to east, with some sunshine possible later!