1.   He could feel a knot in his stomach twisting, creating a painful stabbing feeling in his guts.

2.   A doctor can often feel a knot from the telescoped bowel and make a tentative diagnosis.

3.   A doctor often can feel a knot from the telescoped bowel and make a tentative diagnosis.

4.   I rub my hands over the surface, stroking it, and inevitably feel crusty knots underneath.

5.   In examining the abdomen, a doctor often can feel a knot from the telescoped bowel and make a tentative diagnosis.

6.   Last week on a scouting mission, I felt a knot in my stomach when the only two anglers I spotted were ice fishing on a pond.

7.   He felt a knot in his elbow throwing a curveball to Andruw Jones in the third inning and left an inning later.

8.   My heart was pounding and I felt a knot the size of Long Island forming inside my stomach.