Phrases with «string attached to something»

It is about time that someone without strings attached to him has the power to do the right thing. (nystateofpolitics.com)
There is also concern that many of the existing cell lines have commercial strings attached to them that could limit research. (sciencemag.org)
I love mine but can't figure out what the little loop string attached to it is for. (thekindlechronicles.com)
(see all sentences)