Part of the issue is the style of anchor you’ve chosen. The short shank on that style changes the angle on how it sits when stowed. Secondly, the flukes on the anchor should not come up thru the hole, they should hook under the bow. This secures the anchor so it doesn’t flop around. Lastly, you could modify that carabiner setup serving as a devils claw. Google the term and you’ll see a number of options to secure anchor in a stowed position.
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