Can you turn off blood in team fortress 2

Step 1: Open My Computer
Step 2: Go to C:\Program Files (x86)\Steam\SteamApps\common\Team fortress 2\tf\cfg\
Step 3: Double click on autoexec.cfg
Step 4: When it asks you what program to open with select notepad
Step 5: Add the following to the file:
cl_phys_props_enable "0"
cl_phys_props_max "0"
violence_agibs "0"
violence_hgibs "0"
violence_hblood "0"
violence_ablood "0"
Step 6: Save the file
Step 7: (Re)Start your game