Leckey firefly splashy BIG Mode D'emploi page 17

09.2.7 Configuring
3 point harness
Insert the toggle of
the left lateral strap
into a hole on the side
panels of the back rest.
Repeat the process
for the right lateral strap.
Once all the straps
are securely in place,
connect all the straps
together using the
buckle to create a
3 point harness.
Do not adjust configuration from a 5 point harness
to a 3 point harness while the child is in the bath seat.
Splashy BIG User Manual p17