Sauce gun.
https://s3-us-west-1.amazonaws.com/h...n_fullsize.jpg
Previously:
https://www.homemadetools.net/forum/...759#post201966
https://www.homemadetools.net/forum/...581#post151569
https://www.homemadetools.net/forum/...231#post130665
https://www.homemadetools.net/forum/...699#post201732
https://www.homemadetools.net/forum/...916#post133654