I hope the snake was alright...tails can be pretty important, & injury or infections can later cause the demise of the owner, or at the very least, pain, elimination & breeding problems until healed.
Cobras are pretty smart (observant)...I'd hate to be the next biker that cobra happens to meet, lol.
Rudeness is the weak man's imitation of strength. Eric Hoffer(1902 - 1983)