Some fish, like sharks, don’t posses an air bladder to help keep them afloat and must either swim continually or rest on the bottom.  

Gremlin Tip

August 28, 2014 | Categories: Fishing Tips

To make sure you can always find a swivel when you need one, string a dozen or so on a large safety pin and fasten the pin to the underside of your shirt-pocket flap.