Update Novembrer 13: Outside the contest, from November 22 to December 1, they will be QRV with their own callsigns.  They say "We will bring  a microphone  this time and M0SDV  might try some  low-band SSB  to hone  his pile-up skills and good humour,  and we might possibly also do some FT8 on the low bands".  

QSL 3B8M  and  3B8HA via LoTW and  M0OXO's OQRS
QSL 3B8/KX7M via  F5CWU's OQRS and hopefully LoTW
QSL 3B8/M0SDV via LoTW and Club Log's OQRS
QSL 3B8/M0CFW via LoTW, Club Log's OQRS or via home call
QSL 3B8/W6NV via home call.

3B8M Team will be active from Mauritius Island, AF-049, in CQ WW DX CW Contest, November 27-28, 2021, in MO Category. Confirmed operators so far are G0CKV, JK3GAD, KX7M, M0SDV and W6NV.
Activity some days before/after the contest on low bands.

QSL via M0OXO, OQRS.