Look his face when he opened it in Demo mode, so I play on different slots and test their features. Landing 3 or more mask scatters awards a cash prize, with a maximum 2000x payout for hitting 9 symbols. The closest offer that we could find is a referral bonus.
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=550713
http://www.lada-xray.net/showthread.php?p=307428#post307428
https://talkingpoints.org/subx/showthread.php?tid=97622
http://www.lada-xray.net/showthread.php?p=234988#post234988
https://www.ww2.site/forum/viewtopic.php?t=373652
https://www.ukalachat.net/forum/index.php?topic=15782.new#new
http://1.s.2.free.fr/viewtopic.php?f=18&t=579463
https://talkingpoints.org/subx/showthread.php?tid=63244
https://my-mobile.eu/viewtopic.php?t=41409
http://myweed.rocks/viewtopic.php?t=93646
http://mirosovak.edoras.cz/viewtopic.php?f=3&t=581041
https://wietmarkt.nl/viewtopic.php?t=676795