It is offered mainly in the case of no hole-card games.
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=3&t=188379
https://neoternia.net/viewtopic.php?t=216144
http://forum.bandingklub.cz/viewtopic.php?f=52&t=1102132
https://www.clubhombre.com/mybb/showthread.php?tid=16583
http://daveandspencer.com/forums/viewtopic.php?f=4&t=761811
http://daveandspencer.com/forums/viewtopic.php?f=5&t=741798
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=197375
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=177026
http://daveandspencer.com/forums/viewtopic.php?f=7&t=1007802
http://www.20hz.ca/boards/viewtopic.php?t=94567
https://wc3-cf.clan.su/forum/2-1631-1#2384
