It’s the main part to which the rest of the parts are attached. It looks like an elongated rectangle.
It’s a ring which is attached to the upper part. A strong rope is attached to it in order not to lose an anchor in the water.
Draw it in the form of a cross bar just below the clamp. The anchor correctly goes into the ground thanks to it.
Draw the same detail on the left side.
A stop is made thanks to it. This part has blades which cling to the ground.
Draw the anchor arm in the form of an inverted crescent.
Add a triangle at the tip of the anchor arm which looks like a tip of an arrow.
The second one is drawn in the same way. The anchor arm has a sharp ledge below.
Erase the unnecessary lines which have appeared during the drawing.