Our Manila home games are played in a format similar to pot limit. We play with a $5 blind which can then be doubled all the way through the 5 rounds of betting with no maximum amount of raises. It is not uncommon for the betting to go 5-10-20-40-80 on just the first card. We regularly have pots of about $2k and with 6-8 players holding good cards pots of $8k and upwards occur once in a while. We find this format a great way to play Manila.
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