If a obstacle is designed, the cards are exposed. In the event the prior participant was bluffing, they need to get the entire pile of cards. Whenever they weren't bluffing, the challenger should pick up the pile. Self-assurance is key when bluffing. Act as if you have a robust hand, https://n-h-i-th-ng78876.tinyblogging.com/about-what-are-the-rules-for-deceiving-opponents-in-bluffing-games-83140603