code: public StringGrabber removeTail(int cnt) {
  		int leng = sb.length();
  		try {
  			sb.delete(leng - cnt, leng);
  		} catch (Exception e) {
  		}
  		return StringGrabber.this;
  	}
docs: remove N chars from tail
  
  @see StringGrabber#carryTail()
  @param cnt
  count of chars
  @return