The phrase "small tug" refers to a gentle or light pulling action.
Sentences with «small tug»
The observatory's information will be beamed back to the ground where other telescopes can look for small tugs or wobbles in the star's position, which would confirm a planet has been discovered. (seeker.com)
We've done correction sounds and small tugs when she pulls, but she won't stop pulling. (chasingdogtales.com)
Give a small tug to both sides, gently, to see if the clip is secured to the clothing and the pacifier. (toptenstrollers.com)