Go for a skinny one and secure it in a neat, tight knot.

Her face was convulsed with emotion as tears ran down her cheeks, her hands twisting a forgotten handkerchief into a tight knot.

A familiar tight knot began to twist in my abdomen.

Just make sure you fasten them in a tight knot to avoid any accidents.

Take a piece of ribbon and tie it around the neck of the bottle, ensure you make two tight knots.