Ice block while diving

[jeffberry]

We push the ice under!  Never had it freeze to the bottom.  But when we cut the triangle it is ALWAYS into three chunks.  That way we send it off to all three corners.
  Would be pretty hard to have all three pull in an lock you under.
When we close it up at the end of the day last diver in slides in the two an hooks the rope around the third.  comes out an we close it up.
Jeff