A flexible and resilient tool for use with a conventional half barrel, parallel frame caulking gun or enclosed “sausage” style caulking gun, aiding the user in finishing and shaping after the caulking material has been applied. One function of the tool is to collect excess caulk from his finger(s) or from various shaping tools and spatulas. Also provided can be cap, rag and sponge holders. Additional embodiments include adaptations to existing prior art disposable caulking cartridges and caulking guns to include components of the disclosed tool.