Jarvis Walker Barrel Sinkers
Barrel sinkers are popular among estuary anglers working light running sinker rigs| where the main line is threaded through the sinker and left unattached| so it can move more freely.
They are often positioned either running directly to the hook| or restricted to running along the main line above a swivel connection.
Smaller sizes are used as slim-profile weights on float rigs.
The slim profile also makes them an optimum lead for casting or when trolling to keep a lure or bait down; some anglers even use them as a high-speed lure| running a treble behind them.
They bury more easily in sand or mud than ball sinkers when less movement is desirable.