 As this was the first Boy Scouting event , the boys did not have uniform shirts , but they did wear khaki scarves and were presented with brass fleur @-@ de @-@ lis badges , the first use of the Scout emblem . They also wore a coloured knot on their shoulder indicating their patrol : green for Bulls , blue for Wolves , yellow for Curlews , and red for Ravens . The patrol leader carried a staff with a flag depicting the patrol animal . After passing tests on knots , tracking , and the national flag , they were given another brass badge , a scroll with the words Be Prepared , to wear below the fleur @-@ de @-@ lis . 
