| BRAKEBLOCKS | Components that fit into the callipers of a bicycle to stop or slow it down (5,6) |
| BRAKEPAD | A block in a mechanism used to stop or slow down a vehicle (5,3) |
| WHOA | Word used to stop or slow down a horse |
| TENON | Projecting piece that fit into a mortise (5) |
| IRONS | Uncomfortable leg callipers worn by polio victims during the epidemic which raged into the 1950s |
| TENONS | Projections that fit into mortises |
| ECLIPSE | In the middle of telecast, callipers used to block out light |
| ODDLEGS | A type of callipers used in engineering (3,4) |
| RETROROCKET | Thruster on a spacecraft used to slow it down (11) |
| PEDAL | Part of a bicycle to sell from door to door, we hear (5) |
| FADEBLOCKER | Detergent component that prevents washout? |
| BLOATWARE | Programs that come with your computer that you never use and slow it down |
| STOP | Spice Girls song with the lyric "Slow it down, read the sign so you know just where you're goin'" |
| LEGION | Deicide LP that was so fast they reportedly had to slow it down (6) |
| PEDALS | Sell part of a bicycle to an auditor (6) |
| GAUGE | A fixed measure; or, a calliper, dial, fuel indicator, pluviometer, ruler, speedometer or other graduated instrument for checking the conformity of such a standard dimension (5) |
| BRAKE | Cook first of rolls in it and slow it down (5) |
| BALANCE | "Life is like riding a bicycle. To keep your - you must keep moving." Albert Einstein in a letter to his son Eduard (7) |
| PEDDLE | As stated, ride a bicycle to go selling door-to-door (6) |
| ARREST | Stop or slow down the progress of (6) |
