set/start the ball rolling - to do something which starts an activity, or to start doing something in order to encourage other people to do the same.

The product has been a great success, and we hope this advertising campaign will keep the ball rolling.

• have sticky fingers
• have ... strings to bow
• have ... strings to your bow
• have taken leave of senses
• have taken leave of your senses
• have taped
• have tasted blood
• have teeth
• have the bit between teeth
• have the bit between your teeth
• have the brass
• have the brass neck
• have the brass neck to do something
• have the brass to do something
• have the cares of the world on shoulders
• have the cares of the world on your shoulders
• have the courage of convictions
• have the courage of its convictions
• have the courage of your convictions
• have the devil's own job
• have the devil's own job doing something
• have the devil's own job to do something
• have the devil's own luck
• have the ear of
• have the ear of someone