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Page 3 of 4
In Coral Areas
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  • A hole is bored into an solid area of dead coral
• An eyed anchor pin is set into this hole
• Concrete is set into the hole to anchor the pin
• Mooring lines and marker floats are attached to this permanent anchor point
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In Sand and Seagrass Beds
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Manta Rays
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 A “Manta Ray” device is vibrated/hammered into the sand, where it anchors itself. Lines and floats are then attached to the eyed end of this permanent anchor. Tools required for a "Manta Ray"are shown here—  
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Heavy Masses
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 Concrete blocks - engine blocks - train wheels: Heavy Masses
• Blocks are set in sandy areas
• Lines and floats are attached to these heavy masses.
• May be dug-in to set into the sand
• Work mainly by weight
• Attributes: Impermanent and movable by storm or accidental dragging
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