Repeat for those needing: picture story previously ran 24/05/2016. Bugle Major Steven Martin, one of the Bugle Majors with The Rifles - the largest infantry regiment within the British Army - has his traditional mutton chop beard trimmed at gentlemen's barber Geo F Trumper in the Mayfair district of central London, ahead of the regiment taking part in the Sounding Retreat at Horseguards Parade Wednesday and Thursday this week for the first time in more than 20 years.