Mempo (also menpō, mengu or occasionally men yoroi), is the term for various types of facial armour worn by the samurai class and their retainers in feudal Japan. Types of Japanese facial armour include the somen, menpō, hanpo and happuri.
Mempo were facial armour which covered all or part of the face and provided a way to secure the top-heavy kabuto (helmet). The Shinobi-no-o (chin cord) of the kabuto would be tied under the chin of the mempo. There were small hooks called ori-kugi or posts called odome located on various places to help secure the kabuto's chin cord. Mengu may be constructed from iron or leather, or a combination of both. They may have a lacquered or rusted type of finish and can include a variety of facial details, such as moustaches, fierce teeth and a detachable nose. Most mempo with the exception of the happuri had a small hole underneath the chin for sweat drainage.
Mempo are similar to masks worn by armored cavalry and infantry in ancient Chinese armies from the Han Dynasty to the Song Dynasty.
Bakit kaya nangangamba
Sa tuwing ika'y nakikita
Sana nama'y magpakilala
Ilang ulit nang nagkabangga
Aklat kong dala'y pinulot mo pa
'Di ka pa rin nagpakilala
REFRAIN
Bawat araw sinusundan
'Di ka naman tumitingin
Ano'ng aking dapat gawin
Bakit kaya umiiwas
Binti ko ba'y mayroong gasgas
Nais ko lang magpakilala
Dito'y mayroon sa puso ko
Munting puwang laan sa 'yo
Maaari na bang magpakilala
REFRAIN
Bawat araw sinusundan
'Di ka naman tumitingin
Ano'ng aking dapat gawin
CHORUS
Kailan (kailan), kailan mo ba mapapansin ang aking lihim
Kahit ano'ng aking gawin, 'di mo pinapansin
Kailan (kailan), kailan hahaplusin ang pusong bitin na bitin
Kahit ano'ng gawing lambing, 'di mo pa rin pansin
AD LIB
Dito'y mayroon sa puso ko
Munting puwang laan sa 'yo
Maaari na bang magpakilala
REFRAIN
Bawat araw sinusundan
'Di ka naman tumitingin
Ano'ng aking dapat gawin
CHORUS
Kailan, kailan mo ba mapapansin ang aking lihim
Kahit ano'ng aking gawin, 'di mo pinapansin
Kailan, kailan hahaplusin ang pusong bitin na bitin