tools modifier.
1. put your sickle in tools bag in the first box.

2. start a scan with '0' with 1 byte size.
3. now replace your sickle with hoe and start a next scan with '8'.
4. you'll get the address (the address is freeze with '8').
5. 0 for sickle, 01 for copper sickle, 02 for silver sickle, 03 for gold sickle, 04 for mystrile sickle, 05 for cursed sickle, 06 for blessed sickle, 07 for mythic sickle, and 08 for hoe, 09... (find it yourself).
item modifier.
1. start scan with '171' 1 byte size.
2. buy a bread and...

3. now scan it for '64' (bread's id)
4. you'll get the address and it's freeze 64.
5. 0 for turnip, 01 for potato, 02 for cucumber, 03... i'm lazy...
edit:
affection modifier.
1. start scan with '0' 1 byte.
2. grab some honey on your tree, and give to your lover.
3. and the next scan is '1' (every honey that you gave will add '1' of 255, it's mean you must give her 255 times...)
ahh... for the harvest sprite you need to give them a relaxation tea, they love this things, its id is 145.