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Genuine Boston Pump System
Sizing and Pumping Tips






Measuring

Note that the tight fit of the expansion cylinder is particularly important for the penis enlargement works, when the high level of vacuum must be sustained for prolonged time periods up to 40 minutes.

For less demanding, let's say recreational pump use, the high precision is not that necessary. Boston Pump will provide suction and pressure hold superior to any other pump within the 15 minutes of use - maximum recommended for all beginners.
The size selection in this case is simple: an average penis requires 2" cylinder. If your cock is larger than average, the 2 1/4" will suit you better.

Nevertheless, if you plan to explore on enlargement-oriented pumping, here are the tips on measuring your cock:

The measurements must be made when you are 100% erect at the widest part of your penis. The widest area is different for everyone. It may be at the base, or at the head, or anywhere in between.

Use a soft plastic ruler. Wrap it around the widest part and read the measurement. Based on your reading use the following chart:
     5" ------------------------------- 1 3/4" (coming soon)
     5 1/4" --------------------------- 2"
     5 1/2" --------------------------- 2 1/4"
     5 3/4" --------------------------- 2 1/2"(coming soon)

Another measuring option: Use a hard ruler and this time taking a measurement when placing your fully erect penis at its widest part ACROSS the ruler. Add a 1/4" and that will be the size of the cylinder you need to order.

TO ASSURE THE ACCURACY:
 Always take more than one measurement and take the average of the all readings
 Use both measuring alternatives and make sure all of them fall in the same range
 Size yourself during different times of the day
 make sure you are measuring same thickest part of your penis

NO EXCHANGES OR REFUND WILL BE GIVEN FOR ORDERS WITH WRONG SIZE CYLINDER

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