Possible Clues:

• Capital bachelor invested in a high-class race, some say
• A friend with custom docked in this part of Asia
• Short dress a friend put on in sheikdom
• Such shooting practice curtailed by a Gulf state
• A pal details habit of the sheikhdom
• A habit almost taking in friend in a sheikhdom
• A new growth Henry, Jack and I found in the capital
• Asian capital supplying a friend with clothing, subject to limitation
• A pal met with familiarity, no end, in port
• US friend wearing a shortened garment in foreign land