Profoto Clic Softbox Octa (2.3') - Manual (Page 10)

To mount different Clics with the Clic Softbox Octa , place the
additional modifier from the inside of the softbox before
unfolding it. This way the magnetic mount is not compromised
in any way when mounting your flash to the Clic Softbox Octa.
Do not place any accessories between your light and the
Clic Softbox Octa.