This means you need to wager the bonus amount a set number of times before you can withdraw any winnings made from it. Usually 20 to 100 free spins, and anything you win is credited as bonus funds.
http://eporady.starostwo.ketrzyn.pl/viewtopic.php?f=5&t=66267
http://tv-online.simple-otr-mirror-alternative.de/phpBB3/viewtopic.php?f=10&t=19571
https://talkingpoints.org/subx/showthread.php?tid=96281
http://eporady.starostwo.ketrzyn.pl/viewtopic.php?f=7&t=87839
https://talkingpoints.org/subx/showthread.php?tid=90197
http://myweed.rocks/viewtopic.php?t=57568
https://boards.streamweaver.app/showthread.php?tid=26783
https://democratstoughlove.com/showthread.php?tid=998
http://biopharmamash.com/viewtopic.php?t=1828047
http://www.horsecity.ru/phpBB3/viewtopic.php?f=8&t=416570