Foreigners on the bridge were expected to bow from the waist , doff hats .
Foreigners on the bridge were say ' good morning ' to Japanese sentries , on pain of being slapped , clubbed , or stripped to the waist .
Foreigners on the bridge were expected to bow from the waist , doff hats , and say ' good morning ' to Japanese sentries , on pain of being slapped , clubbed , or stripped to the waist .