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It could withstand intercourse involving at least 1,000 thrusts without losing its slipperiness, the Royal Society Open Science journal reports.
According to the researchers, intercourse typically lasts half that time, but some sessions are longer.
When tested for comparison, regular condoms coated with a shop-bought, water-based liquid lubricant were more slippery initially, but became less so after around 600 thrusts.
According to the researchers, intercourse typically lasts half that time, but some sessions are longer.
When tested for comparison, regular condoms coated with a shop-bought, water-based liquid lubricant were more slippery initially, but became less so after around 600 thrusts.
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