Some of the common user errors including
- Some couples roll the down upside down (estimated errors - 29% during the first time)
- Some take condoms out too soon (estimated - 28.4%)
- Putting on condoms too soon, leading to slip off (estimated -19.7%)
- Opening the package with a sharp object leading to condom tearing (estimated - 10%)
- Using oil based lubricant, which will react with latex leading to tearing (estimated - 6.5%)
- And the most frequent mistake, not wearing the condom at all as they couldn't stop due to rush of emotions.