No dice. I am using a relatively thick safety pin bent out. Sharp angled tip, with the point slightly bent for good connection. I feel how the wedge releases and have been practicing on my new tumbler, but no matter how hard I twist the collar it won't budge one way or the other.

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1984 300TD Turbodiesel - 272k
- Daily Duty
1985 300D Turbodiesel - 315k
- "Recommended for competition events only"