I agree with the have-him-checked folks - and wanted to add I had great success with this item:
Blocker Tie Ring II

Use a long lead rope at first so they never come all the way loose. It took one day for my puller to get over it!

edited my one-armed blunder

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Last Edited By: GasMenagerie Jul 25 09 9:42 AM. Edited 1 times.