DJ Laz’s boat with inflatables behind it. This photo is very reminiscent of a U.S. Coast Guard Public Service Announcement on boat propeller safety in which a person was sucked into the propeller in a similar situation.
Aspects of the Propeller Safety Debate chart
Houseboat Propeller Regulation Proposed and Withdrawn by USCG: Analysis by PGIC
History of Boat Propeller Safety
Mitigating Boat Propeller Injuries & Fatalities Chart