page_title: Anchor
section_title: Grapnel
hierarchical_section_title: Anchor / Designs of temporary anchors / Grapnel
caption_attribution_description: Author: C Smith
context_page_description: Anchors are used to stop boats from moving. Today, anchors are usually made of metal, and they are made to catch the ocean floor.
  There are two main types of anchors: temporary and permanent. A permanent anchor is called a mooring block and is not easily moved. A temporary anchor can be moved and is carried on the boat. When people talk about anchors, they are usually thinking about temporary anchors.
  An anchor works by either weight or shape. Shape is more important to temporary anchors, and design is very important. Anchors must resist wind and tide, and also the up-and-down movement of waves.
context_section_description: A traditional design, the grapnel style is simple to design and build. It is a simple hook that is good for rock or reefs. It is useless for most other seabeds.
caption: Genuine CQR
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