So if it is all right with you, I think it is okay to "misspell" it. Is that okay?
mantelet
noun man·tel·et \ˈmant-lət, ˈman-təl-ət, ˌman-tə-ˈlet\
Definition of MANTELET
1
: a very short cape or cloak
2
or mant·let \ˈmant-lət\ : a movable shelter formerly used by besiegers as a protection when attacking