Hi Mandy, We use the microtool kit that is available directly from Nilfisk. It has a plastic valve where it attaches to the metal end of the hose that allows you to decrease the vacuum. Also the hose on the microtool kit is only about a quarter inch in diameter which results in a reduction of vacuum as well. I believe that the kit is about $30. Sincerely, David Ryan Registrar Colorado Springs Pioneers Museum www.cspm.org ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).