Step 1. Normal Summon Fluffal Penguin, and use its effect to Special Summon Fluffal Dog from your hand
Step 2. Using Fluffal Dog's effect, add Fluffal Cat to your hand
Step 3. Activate Frightfur Patchwork, adding Polymerization and Edge Imp Chain to your hand
Step 4. Activate Polymerization, sending Fluffal Cat and Edge Imp Chain to the graveyard to Fusion Summon Frightfur Kraken
Step 5.
Chain Link 1: Using Fluffal Cat's effect, add the Polymerization in the graveyard to your hand
Chain Link 2: Using Edge Imp Chain's effect, add Frightfur Fusion from your deck to your hand
Step 6. Link Summon a Link 2 Monster Using Fluffal Dog and Frightfur Kraken
Step 7. Activate Frightfur Fusion, Banishing Edge Imp Chain and Fluffal Cat to Fusion Summon another Frightfur Kraken
Step 8. Activate Polymerization, Sending Fluffal Penguin and Frightfur Kraken to the Graveyard to Fusion Summon Frightfur Sabre-Tooth
Step 9. Using Saber-Tooth's effect, Special Summon Frightfur Kracken from the Graveyard