Place the device in the internal pocket of briefs or a stealth belt. The device is designed to maintain temp against your body, but the battery will do the heavy lifting. Silence the alarm if necessary.

Once the device hits 98°F, shake the unit gently. Synthetic urine can separate slightly; shaking ensures the froth (bubbles) looks natural when poured.

Enter . This device has garnered a cult following in review forums and harm-reduction communities for solving the thermal challenge that plagues standard powdered or pre-mixed kits. But what makes the SpyPiss Pro different from a standard heating pad and a bottle of urine?

Pour the sample into the testing cup. As you hand it to the technician, glance at the cup's temp strip. It should read 94°F-100°F. The SpyPiss Pro ensures this. SpyPiss Pro vs. The Competition How does it stack up against market leaders like Quick Fix, Monkey Whizz, or XStream?

In the bathroom, retrieve the device. Uncap the nozzle or extend the silicone tube. Dispense the required amount (typically 45-60ml). Do not overpour. Leave the extra in the bottle to avoid suspicious silence.

Use the +/- buttons to set the target temperature to 98°F (37°C). The device will begin rapid heating.