public static byte[] updateEquippedItem(MapleCharacter chr, Equip eq, short pos) {
            MaplePacketLittleEndianWriter mplew = new MaplePacketLittleEndianWriter();

            mplew.writeShort(SendPacketOpcode.INVENTORY_OPERATION.getValue());
            mplew.write(0);
            mplew.write(1);
            mplew.write(0);

            mplew.write(0);
            mplew.write(1);
            mplew.writeShort(pos);
            PacketHelper.addItemInfo(mplew, eq, chr);

            return mplew.getPacket();
        }