Pubget: Sanders SA. Condom use errors and problems: a global view. Sex Health 9:81 (2012)

http://pubget.com/paper/22348636?title=Condom+use+errors+and+problems%3A+a+global+view.

The most common errors included not using condoms throughout sex, not
leaving space at the tip, not squeezing air from the tip, putting the
condom on upside down, not using water-based lubricants and incorrect
withdrawal. Frequent problems included breakage, slippage, leakage,
condom-associated erection problems, and difficulties with fit and
feel
---SPSmith