Soft-sided plugs that fit well with the barrel and the tool, although a little fluffy, the latter feature could be improved a bit.
The easiest way with a boresnake is to clean the barrel.
Ok, plugs for cleaning the pipe of the piekar.
Basic plug.
Basic cleaning plug, these in use in several sizes in different guns, proven.
Functional plug, suitably tight...
Not worth the fuss with cotton swabs, the number one thing in barrel maintenance!